JPH0413213B2 - - Google Patents
Info
- Publication number
- JPH0413213B2 JPH0413213B2 JP17027685A JP17027685A JPH0413213B2 JP H0413213 B2 JPH0413213 B2 JP H0413213B2 JP 17027685 A JP17027685 A JP 17027685A JP 17027685 A JP17027685 A JP 17027685A JP H0413213 B2 JPH0413213 B2 JP H0413213B2
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen peroxide
- tank
- concentration
- aseptic filling
- filling machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 93
- 238000012371 Aseptic Filling Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000011550 stock solution Substances 0.000 claims description 5
- 238000011084 recovery Methods 0.000 description 6
- 238000011049 filling Methods 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Landscapes
- Package Closures (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は無菌充填機における過酸化水素濃度自
動測定制御方法とその装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method and apparatus for automatically measuring and controlling hydrogen peroxide concentration in an aseptic filling machine.
（従来技術）
従来無菌充填装置の無菌化手段は過酸化水素
（H2O2）、次亜塩酸ソーダ等を用いて充填容器を
無菌化している。とくに過酸化水素を用いる場合
は過酸化水素を加熱しながら噴霧等の塗布手段に
よつて容器等の無菌化を行つていた。(Prior Art) Conventional sterilization means for aseptic filling devices sterilize filling containers using hydrogen peroxide (H 2 O 2 ), sodium hypochlorite, or the like. In particular, when hydrogen peroxide is used, containers and the like are sterilized by applying means such as spraying while heating the hydrogen peroxide.
（発明が解決しようとする問題点）
以上のような過酸化水素を加熱しながら噴霧等
の塗布手段によつて容器等の無菌化を行う場合過
酸化水素の濃度が上昇するため運転中あるいは状
況に応じて濃度測定を行い、過酸化水素の濃度調
整が必要であつた。(Problems to be Solved by the Invention) When sterilizing containers, etc. by applying means such as spraying while heating hydrogen peroxide as described above, the concentration of hydrogen peroxide increases. It was necessary to measure the concentration and adjust the concentration of hydrogen peroxide accordingly.
しかし、この濃度測定は１回あたり約30分間の
時間を要する上、更にこの測定時に濃縮された過
酸化水素の飛散等の問題があるから危険な作業で
あつた。 However, this concentration measurement requires about 30 minutes each time, and is also a dangerous operation because there are problems such as scattering of concentrated hydrogen peroxide during this measurement.
（問題点を解決するための手段）
したがつて、本発明の技術的課題は危険防止と
測定時間の短縮を兼ねた無菌充填機における過酸
化水素濃度自動測定制御方法とその装置を提供し
ようとするもので、この技術的課題を解決する本
発明の技術的手段は、タンクから無菌充填機に導
入される過酸化水素を屈折計に導いてその屈折率
を連続的に測定しながら一定の関係にある屈折率
と濃度との関係を利用して演算制御装置で過酸化
水素濃度に変換し、この測定された濃度に基づき
演算制御装置で純水タンク並びに過酸化水素原液
タンクの各ポンプを制御しながらタンクへの過酸
化水素の供給量を調整しつつ無菌充填機への過酸
化水素の供給を制御することを特徴とする無菌充
填機における過酸化水素濃度自動測定制御方法と
ポンプを介して無菌充填機につながるタンクと、
該タンクから過酸化水素が導入される屈折計と、
屈折計で測定された過酸化水素の屈折率から過酸
化水素の濃度に変換する演算制御装置と、該演算
制御装置で自動制御される純水タンク並びに過酸
化水素原液タンクの各ポンプとからなり、該ポン
プからタンクに供給される純水と過酸化水素の量
を自動制御する無菌充填機における過酸化水素濃
度自動測定制御装置である。(Means for Solving the Problems) Therefore, the technical problem of the present invention is to provide a method and device for automatically measuring hydrogen peroxide concentration in an aseptic filling machine that both prevents danger and shortens measurement time. The technical means of the present invention to solve this technical problem is to guide the hydrogen peroxide introduced from the tank into the aseptic filling machine to a refractometer and continuously measure its refractive index while maintaining a constant relationship. Using the relationship between the refractive index and concentration found in A method for automatically measuring and controlling hydrogen peroxide concentration in an aseptic filling machine, which is characterized by controlling the supply of hydrogen peroxide to an aseptic filling machine while adjusting the amount of hydrogen peroxide supplied to a tank, and a pump. A tank connected to an aseptic filling machine,
a refractometer into which hydrogen peroxide is introduced from the tank;
It consists of a computer control device that converts the refractive index of hydrogen peroxide measured by a refractometer into the concentration of hydrogen peroxide, and pumps for the pure water tank and hydrogen peroxide stock tank that are automatically controlled by the computer control device. This is an automatic hydrogen peroxide concentration measurement control device for an aseptic filling machine that automatically controls the amount of pure water and hydrogen peroxide supplied from the pump to the tank.
（発明の効果）
この技術的手段によれば過酸化水素濃度を屈折
率から自動的に測定することができ、従来のよう
な人手による危険は未然に防止され、又、屈折率
から濃度が自動的に測定されるものであるから測
定時間が短縮され殺菌効果を高めることができ
る。(Effects of the invention) According to this technical means, the hydrogen peroxide concentration can be automatically measured from the refractive index, and the danger of manual labor as in the past can be prevented, and the concentration can be automatically measured from the refractive index. Since the measurement is carried out directly, the measurement time can be shortened and the sterilization effect can be enhanced.
（実施例） 以下図面に示す実施例について説明する。(Example) The embodiments shown in the drawings will be described below.
本発明者等はオンラインでの測定が可能でかつ
過酸化水素の濃度と相関関係をもつ因子を見つけ
るため次の測定方法で実験を試みた。 The present inventors attempted experiments using the following measurement method in order to find a factor that can be measured online and has a correlation with the concentration of hydrogen peroxide.
屈折計
屈折率と濃度（標準試験方法）の関係を実験
してみたところ後述するようなリニアな関係に
あることが認められたのでプロセス屈折計を用
いればオンラインでの測定が可能であると推測
された。 Refractometer When we experimented with the relationship between refractive index and concentration (standard test method), we found that there was a linear relationship as described later, so we assumed that online measurement would be possible using a process refractometer. It was done.
電気伝動度
電気伝導度による測定では金属イオンの影響
による誤差、過酸化水素の再使用による不純物
含有による誤差等で正確な値がえられない。 Electrical conductivity When measuring electrical conductivity, accurate values cannot be obtained due to errors due to the influence of metal ions and errors due to the inclusion of impurities due to reuse of hydrogen peroxide.
沃素法
標準試験法であるが滴定によるので時間がか
かると共にオンラインでの測定は不可能であ
る。 Iodine method This is a standard test method, but it is time-consuming as it relies on titration and online measurement is not possible.
比重計
比重計によりほぼリニアーな関係がえられる
時間がかかると共にオンラインでの測定はでき
ない。 Hydrometer A nearly linear relationship can be obtained using a hydrometer, but it is time consuming and cannot be measured online.
以上の測定法から屈折計を用いて予め各種濃度
の過酸化溶液をつくり、之等の濃度を沃素法を用
いて測定しておき、これらの屈折率をそれぞれ測
定し、それらの値を縦軸に過酸化水素濃度を横軸
に屈折率をとつてプロツトしたところ第１図のよ
うにリニアな関係になることが解つた。そこでこ
の直線から実験式を求めたところＸを屈折率と
し、Ｙを過酸化水素濃度とすると、
Ｙ＝1637.08X−2179.39
の関係式がえられた。 Based on the above measurement method, peroxide solutions with various concentrations are prepared in advance using a refractometer, and the concentrations of these are measured using the iodine method.The refractive index of each of these is measured, and the values are plotted on the vertical axis. When the hydrogen peroxide concentration was plotted against the refractive index on the horizontal axis, it was found that there was a linear relationship as shown in Figure 1. Therefore, an empirical formula was obtained from this straight line, and the relational expression Y = 1637.08X - 2179.39 was obtained, where X is the refractive index and Y is the hydrogen peroxide concentration.
そこでこの関係式に基づき、プロセス屈折計を
用いて第２図のようなシステム装置で無菌充填機
の自動制御を行つた。 Therefore, based on this relational expression, an aseptic filling machine was automatically controlled using a system device as shown in FIG. 2 using a process refractometer.
１，２は無菌充填機であつて、之等にはタンク
５，６からポンプ３，４を介して過酸化水素溶液
が供給される。 1 and 2 are aseptic filling machines, to which a hydrogen peroxide solution is supplied from tanks 5 and 6 via pumps 3 and 4.
回収タンク１３とはパイプ９，１０とポンプ１
４で過酸化水素溶液がタンク５，６に供給され
る。 Recovery tank 13 consists of pipes 9 and 10 and pump 1
At 4, hydrogen peroxide solution is supplied to tanks 5 and 6.
各充填機からの過酸化水素はポンプ７，８とパ
イプ１１，１２を介して回収タンク１３に還元さ
れる。 Hydrogen peroxide from each filling machine is returned to a recovery tank 13 via pumps 7 and 8 and pipes 11 and 12.
回収タンク１３からは過酸化水素溶液がポンプ
１５を介して屈折計１６に導入され、パイプ２５
で回収タンク１３に還元されるようになつてい
る。 Hydrogen peroxide solution is introduced from the recovery tank 13 into the refractometer 16 via the pump 15 and into the pipe 25.
It is designed so that it is returned to the recovery tank 13.
屈折計１６で測定された過酸化水素溶液の屈折
率は演算制御装置１７の演算回路で濃度に換算さ
れ、この濃度に基づいてポンプ１８，１９が自動
制御され、イオン交換を行つた純水が収容されて
いる純水タンク２０中の純水と過酸化水素原液タ
ンク２１の原液とがパイプ２３，２４を介して回
収タンク１３に供給されるようになつている。 The refractive index of the hydrogen peroxide solution measured by the refractometer 16 is converted into concentration by the calculation circuit of the calculation control device 17, and the pumps 18 and 19 are automatically controlled based on this concentration, and the purified water that has undergone ion exchange is The pure water contained in the pure water tank 20 and the stock solution in the hydrogen peroxide stock solution tank 21 are supplied to the recovery tank 13 via pipes 23 and 24.
したがつて過酸化水素の屈折率を連続的に測定
しながら演算回路で過酸化水素濃度に変換し、制
御回路によつて純水タンク２０並びに過酸化水素
原液タンク２１の各ポンプ１８，１９を制御しな
がら過酸化水素濃度を制御することができるので
ある。 Therefore, the refractive index of hydrogen peroxide is continuously measured and converted into a hydrogen peroxide concentration by a calculation circuit, and each pump 18, 19 of the pure water tank 20 and the hydrogen peroxide stock solution tank 21 is controlled by a control circuit. It is possible to control the hydrogen peroxide concentration while controlling the amount of hydrogen peroxide.
第１図は過酸化水素濃度と屈折率との関係を示
すグラフ第２図は本発明にかかるシステム回路図
である。
１，２……充填機、３，４……ポンプ、５，６
……過酸化水素タンク、１３……回収タンク、１
６……屈折計、１７……演算制御装置、１８，１
９……ポンプ、２０……純水タンク、２１……過
酸化水素原液タンク。
FIG. 1 is a graph showing the relationship between hydrogen peroxide concentration and refractive index. FIG. 2 is a system circuit diagram according to the present invention. 1, 2... Filling machine, 3, 4... Pump, 5, 6
...Hydrogen peroxide tank, 13...Recovery tank, 1
6... Refractometer, 17... Arithmetic control device, 18,1
9...Pump, 20...Pure water tank, 21...Hydrogen peroxide stock solution tank.
Claims (1)
素を屈折計に導いてその屈折率を連続的に測定し
ながら一定の関係にある屈折率と濃度との関係を
利用して演算制御装置で過酸化水素濃度に変換
し、この測定された濃度に基づき演算制御装置で
純水タンク並びに過酸化水素原液タンクの各ポン
プを制御しながらタンクへの過酸化水素の供給量
を調整しつつ無菌充填機への過酸化水素の供給を
制御することを特徴とする無菌充填機における過
酸化水素濃度自動測定制御方法。 ２ ポンプを介して無菌充填機につながるタンク
と、該タンクから過酸化水素が導入される屈折計
と、屈折計で測定された過酸化水素の屈折率から
過酸化水素の濃度に変換する演算制御装置と、該
演算制御装置で自動制御される純水タンク並びに
過酸化水素原液タンクの各ポンプとからなり、該
ポンプからタンクに供給される純水と過酸化水素
の量を自動制御する無菌充填機における過酸化水
素濃度自動測定制御装置。[Claims] 1. Hydrogen peroxide introduced from a tank into an aseptic filling machine is guided to a refractometer and its refractive index is continuously measured, making use of the relationship between the refractive index and concentration, which has a certain relationship. Based on this measured concentration, the arithmetic and control device controls each pump in the pure water tank and the hydrogen peroxide stock solution tank, controlling the amount of hydrogen peroxide supplied to the tank. A method for automatically measuring and controlling hydrogen peroxide concentration in an aseptic filling machine, characterized by controlling the supply of hydrogen peroxide to the aseptic filling machine while making adjustments. 2. A tank connected to the aseptic filling machine via a pump, a refractometer into which hydrogen peroxide is introduced from the tank, and a calculation control that converts the refractive index of hydrogen peroxide measured by the refractometer into the concentration of hydrogen peroxide. Aseptic filling consists of a device and pumps for a pure water tank and a hydrogen peroxide stock tank that are automatically controlled by the arithmetic and control device, and the amount of pure water and hydrogen peroxide supplied from the pumps to the tank is automatically controlled. Automatic hydrogen peroxide concentration measurement control device for machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60170276A JPS6239431A (en) | 1985-08-01 | 1985-08-01 | Method and device for automatically measuring and controlling concentration of hydrogen peroxide in sterile filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60170276A JPS6239431A (en) | 1985-08-01 | 1985-08-01 | Method and device for automatically measuring and controlling concentration of hydrogen peroxide in sterile filler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6239431A JPS6239431A (en) | 1987-02-20 |
| JPH0413213B2 true JPH0413213B2 (en) | 1992-03-09 |
Family
ID=15901943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60170276A Granted JPS6239431A (en) | 1985-08-01 | 1985-08-01 | Method and device for automatically measuring and controlling concentration of hydrogen peroxide in sterile filler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6239431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018500246A (en) * | 2014-12-16 | 2018-01-11 | エスアイジー テクノロジー アーゲー | Method and apparatus for sterilizing containers |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2609457B2 (en) * | 1987-12-16 | 1997-05-14 | 大日本印刷株式会社 | Hydrogen peroxide concentration measurement method |
-
1985
- 1985-08-01 JP JP60170276A patent/JPS6239431A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018500246A (en) * | 2014-12-16 | 2018-01-11 | エスアイジー テクノロジー アーゲー | Method and apparatus for sterilizing containers |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6239431A (en) | 1987-02-20 |
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